Although it is fun to try to do, it is absolutely impossible to compare the greatest from different generations. Russell did certain things better than perhaps any big man has done to this day. Does that make him the best player - depends on the criteria. If I was given the opportunity to start a team that I was building with one free pick from any era, it would be Magic Johnson. But I certainly would not think of him as my greatest player pick. Russell I think has to be considered the greatest winner of all time but having watched Lebron play for a while now I think that a very strong case could be made for him being the greatest player of all time.